On the mechanical properties of sintered metallic fibre structures

被引：23

作者：

Veyhl, C. ^{[1
]}

Fiedler, T. ^{[1
]}

Jehring, U. ^{[2
]}

Andersen, O. ^{[2
]}

Bernthaler, T. ^{[3
]}

Belova, I. V. ^{[1
]}

Murch, G. E. ^{[1
]}

机构：

[1] Univ Newcastle, Sch Engn, Ctr Mass & Thermal Transport Engn Mat, Callaghan, NSW 2308, Australia

[2] Fraunhofer Inst Mfg Technol & Adv Mat, Branch Lab Dresden, D-01277 Dresden, Germany

[3] Univ Appl Sci Aalen, Dept Surface Engn & Mat Sci, Fac Mech & Mat Engn, D-73430 Aalen, Germany

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2013年 / 562卷

关键词：

Sintered metallic fibre structures; Mechanical properties; Micro-computed tomography; Finite element analysis; Experimental compression test; COMPRESSIVE PROPERTIES; CELLULAR MATERIALS; STEEL; BEHAVIOR; FABRICATION; SIMULATION;

D O I：

10.1016/j.msea.2012.11.034

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The present study investigates mechanical properties of a novel sintered metallic fibre structure with different relative densities (i.e. 0.19, 0.27, and 0.46). The compressive mechanical properties Young's modulus, Poisson's ratio and 0.2% offset yield stress are determined. For this purpose, state of the art simulations are performed based on the real material structure using micro-computed tomography images. Computed results are compared with experimental uni-axial compression tests and good agreement between both methods is observed. Numerical analysis allows the investigation of directional dependence and mechanical anisotropy is observed to be governed by the fibre orientation. In addition, Young's modulus and 0.2% offset yield stress increase with rising relative density. (C)012 Elsevier B.V. All rights reserved.

引用

页码：83 / 88

页数：6

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